List of Articles سیاست های اقتصادی Open Access Article Abstract Page Full-Text 1 - Uncertainty about economic policies and the stock market in Iran based on Markov switching model Hossein Amiri M. Pirdadeh Beyranvand Open Access Article Abstract Page Full-Text 2 - Presenting a model of effective factors on evaluating the professional competencies of the heads of Islamic Azad University based on the global level using the knowledge management component reza haratian alireza chenari FATAH NAZEM Open Access Article Abstract Page Full-Text 3 - The impact of economic instability on the Iranian stock market with an emphasis on the EPU index - the uncertainty of economic policies. Damon Hedayatpour mohammad khezri bijan safavi Open Access Article Abstract Page Full-Text 4 - The Impact of Economic Policy Uncertainty on Petrochemical Companies Profitability Ratio Hamidreza Arbab Hamid Amadeh Amin Amini https://doi.org/10.71818/ecj.2024.1062041 Open Access Article Abstract Page Full-Text 5 - The effect of the uncertainty of economic policies and people's health on the excess returns of companies in different quantiles HASAN ESMAELI Manijeh Hadinejad مرجان دامن کشیده شهریار نصابیان